1 files changed, 134 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/data/MediaItem.java b/src/com/android/gallery3d/data/MediaItem.java
new file mode 100644
index 000000000..59ea86551
--- /dev/null
+++ b/src/com/android/gallery3d/data/MediaItem.java
@@ -0,0 +1,134 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.gallery3d.data;
+
+import android.graphics.Bitmap;
+import android.graphics.BitmapRegionDecoder;
+
+import com.android.gallery3d.common.ApiHelper;
+import com.android.gallery3d.ui.ScreenNail;
+import com.android.gallery3d.util.ThreadPool.Job;
+
+// MediaItem represents an image or a video item.
+public abstract class MediaItem extends MediaObject {
+    // NOTE: These type numbers are stored in the image cache, so it should not
+    // not be changed without resetting the cache.
+    public static final int TYPE_THUMBNAIL = 1;
+    public static final int TYPE_MICROTHUMBNAIL = 2;
+
+    public static final int CACHED_IMAGE_QUALITY = 95;
+
+    public static final int IMAGE_READY = 0;
+    public static final int IMAGE_WAIT = 1;
+    public static final int IMAGE_ERROR = -1;
+
+    public static final String MIME_TYPE_JPEG = "image/jpeg";
+
+    private static final int BYTESBUFFE_POOL_SIZE = 4;
+    private static final int BYTESBUFFER_SIZE = 200 * 1024;
+
+    private static int sMicrothumbnailTargetSize = 200;
+    private static final BytesBufferPool sMicroThumbBufferPool =
+            new BytesBufferPool(BYTESBUFFE_POOL_SIZE, BYTESBUFFER_SIZE);
+
+    private static int sThumbnailTargetSize = 640;
+
+    // TODO: fix default value for latlng and change this.
+    public static final double INVALID_LATLNG = 0f;
+
+    public abstract Job<Bitmap> requestImage(int type);
+    public abstract Job<BitmapRegionDecoder> requestLargeImage();
+
+    public MediaItem(Path path, long version) {
+        super(path, version);
+    }
+
+    public long getDateInMs() {
+        return 0;
+    }
+
+    public String getName() {
+        return null;
+    }
+
+    public void getLatLong(double[] latLong) {
+        latLong[0] = INVALID_LATLNG;
+        latLong[1] = INVALID_LATLNG;
+    }
+
+    public String[] getTags() {
+        return null;
+    }
+
+    public Face[] getFaces() {
+        return null;
+    }
+
+    // The rotation of the full-resolution image. By default, it returns the value of
+    // getRotation().
+    public int getFullImageRotation() {
+        return getRotation();
+    }
+
+    public int getRotation() {
+        return 0;
+    }
+
+    public long getSize() {
+        return 0;
+    }
+
+    public abstract String getMimeType();
+
+    public String getFilePath() {
+        return "";
+    }
+
+    // Returns width and height of the media item.
+    // Returns 0, 0 if the information is not available.
+    public abstract int getWidth();
+    public abstract int getHeight();
+
+    // This is an alternative for requestImage() in PhotoPage. If this
+    // is implemented, you don't need to implement requestImage().
+    public ScreenNail getScreenNail() {
+        return null;
+    }
+
+    public static int getTargetSize(int type) {
+        switch (type) {
+            case TYPE_THUMBNAIL:
+                return sThumbnailTargetSize;
+            case TYPE_MICROTHUMBNAIL:
+                return sMicrothumbnailTargetSize;
+            default:
+                throw new RuntimeException(
+                    "should only request thumb/microthumb from cache");
+        }
+    }
+
+    public static BytesBufferPool getBytesBufferPool() {
+        return sMicroThumbBufferPool;
+    }
+
+    public static void setThumbnailSizes(int size, int microSize) {
+        sThumbnailTargetSize = size;
+        if (sMicrothumbnailTargetSize != microSize) {
+            sMicrothumbnailTargetSize = microSize;
+        }
+    }
+}